Office Administrator

Role: Office Administrator

Location: Boulder, CO

Contract: Part-time

Remuneration Range: $16.00 - $18.00 per hour


  • Provide administrative support to the NA leadership team, HR Manager, L&D Manager, Anthesis’ committees, such as data entry, scheduling meetings, note taking, filing, mail, etc.
  • Maintain the Boulder office that it’s safe, clean, and orderly work areas, including working with the property management to ensure everything is working properly in the office.
  • Manage office service vendors, such as cleaning service and property management.
  • Maintain supplies for office, kitchenette, and office equipment.
  • Assist with Onboarding and Offboarding processes, such as shipping and receiving of company laptops and equipment from new joiners and leavers, maintaining inventory, etc.
  • Assist in event planning, such as on-site coordination of office events, including virtual or in-person leadership and employee meetings, employees’ functions, as needed.
  • Complete assigned tasks in an efficient and timely manner.
  • Perform other administrative duties as assigned.

About Us

Anthesis is the Sustainability Activator!

We believe that transformative, cross-sectoral action is required to rise to the challenge of the Decisive Decade, and we exist to make sustainability happen.

Our company brings together the largest dedicated group of sustainability experts in the world, working with more than eight hundred clients, across seventeen countries. Our team combines broad and deep sustainability expertise with the commercial and operational capabilities it takes to deliver real change. Our culture is founded on the empowerment of great people, working in agile teams, in a high-ownership, high-accountability environment.

We are proud of what we have achieved so far with Anthesis, and are poised to play a leading role in developing new models of sustainable performance in businesses and governments. Our success depends on attracting, empowering and growing world-class leaders who can harness and deliver our subject matter expertise, capabilities and resources and drive this transformation.

As an equal opportunities’ employer, we value diversity in our workforce and make our decisions based on skills and experience – the only thing that differentiates you is your talent and the value you bring. We understand that diverse ideas breed extraordinary results by inspiring our thinking, challenging our solutions and enhancing our culture. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status

The Role

The Office Administrator will be responsible for providing administrative support to our Boulder, CO office such as shipping, mail, maintain Boulder office, etc.

We are looking for someone who is highly organized and able to handle multiple tasks at once.


Qualifications, Skills & Experience

  • High school diploma or equivalent
  • Previous experience in office administrator work; Shipping experience preferred
  • Ability to work independently and demonstrate initiative
  • Customer service-oriented personality
  • Meet deadlines as required by team members seeking support
  • Possess excellent and effective communication skills
  • Good time management and multitasking skills; and Detail oriented and team player
  • Proficiency in MS Word, Excel and Outlook is essential
  • Valid driver’s license
  • Passionate about being a part of a fast-paced environmental sustainability company
  • Ability to lift standard office supplies and equipment

Key Competencies / Values 

  • Passion for sustainability
  • Curious, globally minded, and enthusiastic
  • Effective time management and organizational skills. Ability to respond positively to pressure and take a flexible approach to a dynamic, fast moving and changing work environment
  • Proactive and self-driven
  • Well-presented with a professional manner to act as a brand ambassador


  • Comprehensive and competitive group health, dental, and vision insurance plans for you and your dependents, as well as a FSA (Flexible Spending Account).
  • Pay 100% of the cost of short‐term and long‐term disability insurances.
  • Pay 100% of the cost of life insurance and accidental death and dismemberment insurance.
  • Retirement savings plan to assist in planning for your retirement. Anthesis provides 3% Safe Harbor contribution and you may elect to contribute more each pay period with a pre‐tax deduction up to a certain cap.